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參數資料
| 型號： | HYM71V32755AT8-8 |
| 英文描述： | x72 SDRAM Module |
| 中文描述： | x72內存模塊 |
| 文件頁數： | 13/14頁 |
| 文件大?。?/td> | 355K |
| 代理商： | HYM71V32755AT8-8 |
PC133 SDRAM Unbuffered DIMM
Rev. 0.1/Nov. 01
14
HYM71V32635BT8 Series
COMMAND TRUTH TABLE
Note :
1. Exiting Self Refresh occurs by asynchronously bringing CKE from low to high
2. X = Don
′
t care, H = Logic High, L = Logic Low. BA =Bank Address, RA = Row Address, CA = Column Address,
Opcode = Operand Code, NOP = No Operation
3. The burst read sigle write mode is entered by programming the write burst mode bit (A9) in the mode register to a logic 1.
Command
CKEn-1
CKEn
CS
RAS
CAS
WE
DQM
ADDR
A10/
AP
BA
Note
Mode Register Set
H
X
L
L
L
L
X
OP code
No Operation
H
X
H
X
X
X
X
X
L
H
H
H
Bank Active
H
X
L
L
H
H
X
RA
V
Read
H
X
L
H
L
H
X
CA
L
V
Read with Autoprecharge
H
Write
H
X
L
H
L
L
X
CA
L
V
Write with Autoprecharge
H
Precharge All Banks
H
X
L
L
H
L
X
X
H
X
Precharge selected Bank
L
V
Burst Stop
H
X
L
H
H
L
X
X
DQM
H
X
V
X
Auto Refresh
H
H
L
L
L
H
X
X
Burst-Read-Single-WRITE
H
X
L
L
L
L
X
A9 Pin High
(Other Pins OP code)
MRS
Mode
Self Refresh
1
Entry
H
L
L
L
L
H
X
X
Exit
L
H
H
X
X
X
X
L
H
H
H
Precharge
power down
Entry
H
L
H
X
X
X
X
X
L
H
H
H
Exit
L
H
H
X
X
X
X
L
H
H
H
Clock
Suspend
Entry
H
L
H
X
X
X
X
X
L
V
V
V
Exit
L
H
X
X
相關PDF資料 |
PDF描述 |
|---|---|
| HYM71V32755AT8M | 32Mx72|3.3V|P/S|x18|SDR SDRAM - Unbuffered DIMM 256MB |
| HYM71V32755AT8-P | x72 SDRAM Module |
| HYM71V32755AT8-S | x72 SDRAM Module |
| HYM71V653201TH-10S | x64 SDRAM Module |
| HYM71V653201TH-8 | x64 SDRAM Module |
相關代理商/技術參數 |
參數描述 |
|---|---|
| HYM71V32755AT8M | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:32Mx72|3.3V|P/S|x18|SDR SDRAM - Unbuffered DIMM 256MB |
| HYM71V32755AT8-P | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x72 SDRAM Module |
| HYM71V32755AT8-S | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x72 SDRAM Module |
| HYM71V32755BT8 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:32Mx72|3.3V|8/P/S|x18|SDR SDRAM - Unbuffered DIMM 256MB |
| HYM71V32755HCT8 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:32Mx72|3.3V|P/S|x18|SDR SDRAM - Unbuffered DIMM 256MB |
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